/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.ipc;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;

/**
 * Status of a Hadoop IPC call.
 */
enum Status {
  SUCCESS (0),
  ERROR (1),
  FATAL (-1);
  
  int state;
  private Status(int state) {
    this.state = state;
  }
  
  public static byte[] SUCCESSBYTES;
  static {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(bos);
    try {
      dos.writeInt(Status.SUCCESS.state);
    } catch (IOException e) {
      SUCCESSBYTES = new byte[] { 0, 0, 0, 0 };
    }
    SUCCESSBYTES = bos.toByteArray();
  }
}
